/*
package NiuKe;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

*/
/**
 * @Description:
 * @Author: Hanzao
 * @Date: 2022/06/17/10:37
 *//*

public class HJ67 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int num = scanner.nextInt();
        int ori = num;  //4
        int tmp = 0;
        if(num%2!=0) { //奇数
            num = num * num;
            tmp = num - 2*((ori+1)/2-1);
        }else{ //偶数
            num = num* num;   //16
            tmp = num - 2*(ori/2)+1;
        }
        for(int i=0;i<ori-1;i++){
            System.out.print(tmp+i*2+"+");
        }
        System.out.print(tmp+(ori-1)*2);
    }
}
*/
